* {
  font-family: "sans-serif";
  margin: 0;
  padding: 0;
}
body {
  min-width: 100vw;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #111;
  overflow: hidden;
}
/* main */
.container {
  position: relative;
  width: 600px;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  align-content: flex-start;
}

.container .dot {
  position: relative;
  width: 20px;
  height: 20px;
  background: #333;
  border-radius: 50%;
  scale: 0.4;
}
